<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录界面</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
        }
        .container {
            width: 300px;
            padding: 16px;
            background-color: white;
            border: 1px solid #ccc;
            margin: 100px auto;
            box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
        }
        input[type=text], input[type=password] {
            width: 100%;
            padding: 12px 20px;
            margin: 8px 0;
            display: inline-block;
            border: 1px solid #ccc;
            box-sizing: border-box;
        }
        button {
            background-color: #4CAF50;
            color: white;
            padding: 14px 20px;
            margin: 8px 0;
            border: none;
            cursor: pointer;
            width: 100%;
        }
        button:hover {
            opacity: 0.8;
        }
    </style>
</head>
<body>
    <div class="container">
        <label for="uname"><b>用户名</b></label>
        <input type="text" placeholder="输入用户名" name="uname" required>

        <label for="psw"><b>密码</b></label>
        <input type="password" placeholder="输入密码" name="psw" required>

        <label for="name"><b>姓名</b></label>
        <input type="text" placeholder="输入姓名" name="name" required>

        <label for="gender"><b>性别</b></label>
        <select id="gender" name="gender">
            <option value="male">男</option>
            <option value="female">女</option>
        </select>
        
        <button type="submit">登录</button>
    </div>
</body>
</html>